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(No Model.) 2 Sheets-Sheet '1. M. CZINER 88 R. BRETTNER.

111111111 JEWELRY.

110,888,448. Patented sept; 11, 1888.

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INLAID JEWELRY.

No. 389,446. Patented Sept. 11, 1888.

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MATYAS CZINER AND RUDOLF BRETTNER, OF NFV YORK, N. Y.

lNLAlD JEWELRY.

SPECIFICATION forming part'of Letters Patent No. 389,446, dated September 11, 1888.

Application filed November Q5, 1887.

To all whom it may concern:

Be it known that we, MA'rYits CZINER and RUDOLF BRETTNER, citizens of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improve ments in Inlaid Jewelry; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appcrtains to make and use the same.

Our invention relates to improvements in inlayingjewelry, more especially watch-cases, with gems, precious stones, pearls, glass, and other substances, either similar or dissimilar in shade, color, or material, and the object is to produce cameos, intaglios, and relief jewelry of various kinds without the use of solder, cement, or other adhesive material, but by mechanical construction alone, so that the inlaid pieces of ornament, being removably inserted and secured to their base, may be changed at any time or substituted by others to suit the occasion, option, fancy, or requirements of the wearer.

Our invention consists in the details of coinbination and construction, as pointed out in the claim, and illustrated in the accompanying drawings, in which- Figure l is a perspective View of an inlaid jewel. Fig. 2 represents a top view of relief and base pieces. Fig. 3 shows inverted view of base-piece. Fig. 4 gives inverted view of base and relief pieces with ring secured. Fig. 5 is a transverse section through base-piece, relief-piece, and ring. Figs. 6 and 7 show sec tional view of annular fastener in cylindrical and wedge form. Figs. 8, 9, l0, 1l represent perspective, top, and sectional views, respectively, of my improvements in inlayiug` reliefs ofjewelry.

Similarlettcrs refer to similar parts throughont the several views.

In the accompanying drawings, A represents the base-piece of the jewelry, in this instance a watch-case, which is bored, cut, punched, or sawed through to form a circular cavity, a, the edge b around which latter is rabbeted, recessed, or eut slopingly to receive Serial No. 256.110. (No mudehl the similarly-shaped and correspondiugly-cut relief-piece B, so that when the two parts are brought together into proper contact the shoulder or lap b of the relicl part B will rest in the recess or upon the rabbcted slope b of the base-piece A.

C shows the annular fastener or ring, which is shaped and out to fit the circular opening or interstiee formed upon the base A between recess b and lap b. \Vhen this ring is made wedgeshaped, broader at the top than at the base, or when accurately cut by an instrument of precision, it will render thejoint perfect between the base A and the relief B. To secure, however, still further the latter piece in its place upon the former, the fastener may be made working with screw-threads into the edges b b ofthe two pieces.

The removably-inserted piece may be further ornamented by incisions, designs, and otherwise, or it may be made with bezel, recess, or slit E to bear and hold, by means of a revolving bolt, F', and pinsff, passed through said slot and forming part of the ornament, or by pins D, any interchangeable relief, F- such as monograms, initials, coats of arms, &c.; and while on the whole we prefer circular, oval, or elliptical cavities in the bascpiece, the same may be out square, hexagonal, 85e., or made with a simple slit in the center, through which, with the aid of locks, the ornament may be directly attached.

\Ve are aware that the inlaying of jewelry without the use of adhesive material or mainly by mechanical construction, employing crossbars, screws, clamps, projections, tbc., as means to secure the inlay iu its place, is not new to the art. This, however', we do not claim, as our mode of interchangeably attaching the relief to the base-piecc and attaching an ornament to either the former or the latter is not only more simple, but also time and labor saving, and as especially the novel relieflfastener of our invention is calculated to secure a more perfect joint between the base, the relief, and the ornament.

Having now described our invention, what we claim, and desire to obtain by Letters Patent, ism

In testimony whereof we affix our signatures ing around its cavity a the rabbeted inner rim, in presence of two Witnesses.

b, in combination with the bezeled, recessed, or slotted relief-piece B, made with its shoul- 5 der b resting upon said rim b, and the Wedge` edged or screwlhreaded annular fastener G, adapted to secure with perfect joint and detachably the parts A and B in place, snbstan` tially as specified.

MATYAS CZ INEE.

In an inlaid jewel, the base-piece A, havi RUDOLF BRETTNER.

Witnesses:

LEOPOLD MOscHooWITZ, FRANK M. TIOHENOR. 

